How popular is Abell?

Abell is an uncommon given name for males but a very popular last name for both adults and children (#4731 out of 150436, Top 3%). (2000 U.S. Demographics)

Which version is better?

with its source form and related boy names. Abel(#125 a year ago), Abe(#1841) and Abie are the popular varying forms of Abell (outside Top 2000). Other forms, like Avel, are uncommon. Adoption of these forms of Abell is at its apex today (usage of 0.2%). Abel has been the overall favorite, while Abe has become less contemporary. (Top Baby Names, 2015)